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1. |
Which is the graph of the inequality x + 2y - 2  0? |
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A. |
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B. |
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C. |
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D. |
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Hint |
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2. |
The graph of y = -x2 + 1 is symmetric about __________. |
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A. |
both the x-axis and
the y-axis |
B. |
neither the x-axis nor
the y-axis |
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C. |
the x-axis |
D. |
the y-axis |
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Hint |
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3. |
Which is an even function? |
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A. |
y = 2x - 1 |
B. |
y = x |
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C. |
y = -x |
D. |
y = x2 |
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Hint |
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4. |
Determine whether the function f(x) =  is continuous at x = 1. |
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A. |
No, because substituting
x = 1 results in a denominator of 0. |
B. |
Yes, it is continuous at x = 1, but not at x = -1. |
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C. |
None is correct. |
D. |
Yes, the inability to divide by 0 has no bearing on this problem. |
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Hint |
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5. |
State the degree of the polynomial function f(x) = x4 - 2x2 + 3x - 1. |
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A. |
4 |
B. |
2 |
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C. |
5 |
D. |
3 |
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Hint |
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6. |
In  find c if A = 36°, B = 101°, and b = 42.7. |
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A. |
about 40.2 units |
B. |
about 25.3 units |
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C. |
about 31.8 units |
D. |
about 29.7 units |
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Hint |
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7. |
Determine if the function is periodic. If so, state the period. |
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A. |
no |
B. |
yes; 2 |
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C. |
yes; 4 |
D. |
yes; 1 |
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Hint |
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8. |
Graph y = 5 cos 2 for 1 period of the function. |
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A. |
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B. |
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C. |
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D. |
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Hint |
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9. |
Find sin 2 if sin =  and 0° < < 90°. |
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A. |
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B. |
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C. |
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D. |
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Hint |
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10. |
Write a matrix that will translate a triangular prism using the vector  . |
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A. |
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B. |
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C. |
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D. |
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Hint |
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11. |
Find the coordinates of the midpoint of the segment that has endpoints at (-4, 7) and (2, -11). |
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A. |
(-2, -4) |
B. |
(-4, -2) |
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C. |
(-1, -2) |
D. |
(-2, -1) |
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Hint |
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12. |
Suppose the equation  models the number of liters of air in the lungs of a gorilla at t seconds. Use a graphing calculator to graph the function with Xmin = 0 and Xmax = 10. |
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A. |
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B. |
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C. |
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D. |
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Hint |
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13. |
Find the sum of the first 42 terms in the arithmetic series
5 + 10 + 15 + ··· + 210. |
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A. |
4525 |
B. |
4505 |
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C. |
4515 |
D. |
4510 |
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Hint |
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14. |
Write  as a fraction. |
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A. |
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B. |
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C. |
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D. |
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Hint |
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15. |
Use two ordered pairs to write the equation of a best-fit line. |
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A. |
y = 5x |
B. |
y = 5x + 75 |
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C. |
y = 3x |
D. |
y = 3x + 72 |
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Hint |
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16. |
Graph the function  |
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A. |
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B. |
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C. |
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D. |
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Hint |
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17. |
Express the complex number -9 – 4i in polar form. |
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A. |
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B. |
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C. |
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D. |
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Hint |
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18. |
Which inequality represents the graph shown? |
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A. |
y > -3x |
B. |
y < -3x |
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C. |
y > 3-x |
D. |
y < 3-x |
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Hint |
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19. |
Solve 53x = 8x - 2 by using natural logarithms. |
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A. |
0.8985 |
B. |
-1.5129 |
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C. |
1.5129 |
D. |
-0.6021 |
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Hint |
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20. |
Write  as a fraction. |
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A. |
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B. |
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C. |
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D. |
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Hint |
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